Finding the Fourth Proportional to 7,136,638.95, 10,704,865.58 and 1,745,336.06
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Solution
The fourth proportional to 7,136,638.95, 10,704,865.58 and 1,745,336.06 is: 2,617,981.38
Step by Step Solution
- Step 1: Write the proportion equation
7,136,638.95 : 10,704,865.58 = 1,745,336.06 : x - Step 2: Convert to fraction form
7,136,638.95/10,704,865.58 = 1,745,336.06/x - Step 3: Cross multiply
7,136,638.95x = 10,704,865.58 × 1,745,336.06 - Step 4: Simplify right side
7,136,638.95x = 18,683,587,851,975.80 - Step 5: Solve for x
x = 18,683,587,851,975.80/7,136,638.95 - Step 6: Final answer
x = 2,617,981.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.